/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Topo/TopologicalEdge.h
Project Point (2D or 3D) on the polyline (2D or 3D) and return the coordinate of the projected point
template<class PointType> double ProjectPoint ( const PointType & InPointToProject, PointType & OutProjectedPoint ) const